Philophobia: The Extreme Fear Of Falling In Love Falling in love can be one of the most beautiful and exhilarating experiences of life. However, an extreme fear of 'falling in love' also known as philophobia is a real thing! Philophobia can be defined as overwhelming & unreasonable fear of falling in love or developing and maintaining an emotional connection with another person & may result in social isolation, substance abuse, or depression if left untreated. So if you or someone you know is philophobic, keep reading to learn everything you need to know, from what causes it to how you can overcome it.